Bulgarian National Revenue Agency Data Breach (2019)

A mysterious hacker has stolen the personal details of millions of Bulgarians and has emailed download links to the stolen data to local news publications. The data's origin is believed to be the country's National Revenue Agency (NRA), a department of the Bulgarian Ministry of FinanceAccording to reports from local media [1, 2, 3, 4, 5], who received part of the data, the hacker said they stole the personal details of over five million Bulgarians, of the country's total population of seven million. The hacker bragged about stealing 110 databases from NRA's network, totaling nearly 21 GB. The hacker only shared 57 databases, comprising 11 GB of the aggregate data with local news outlets but promised to release the rest in the coming days.